CVE-2025-4105: Auth Bypass (CVSS 5.4)

Description

The Splitit plugin for WordPress is vulnerable to unauthorized modification of data due to missing capability checks on several functions in the 'splitIt-flexfields-payment-gateway.php' file in all versions up to, and including, 4.2.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to change plugin settings, including changing the environment from sandbox to production and vice versa.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-862 Missing Authorization

References

Other References

https://plugins.trac.wordpress.org/browser/splitit-installment-payments/tags/4.2.6/splitIt-flexfields-payment-gateway.php#L1927 https://plugins.trac.wordpress.org/browser/splitit-installment-payments/tags/4.2.6/splitIt-flexfields-payment-gateway.php#L765 https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3297893%40splitit-installment-payments&new=3297893%40splitit-installment-payments&sfp_email=&sfph_mail= https://www.wordfence.com/threat-intel/vulnerabilities/id/6471b075-8115-4d38-a7dd-2308dca69f15?source=cve

Frequently Asked Questions

What is CVE-2025-4105? +

The Splitit plugin for WordPress is vulnerable to unauthorized modification of data due to missing capability checks on several functions in the 'splitIt-flexfields-payment-gateway.php' file in all versions up to, and including, 4.2.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to change plugin settings, including changing the environment from sandbox to production and vice versa. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-4105? +

CVE-2025-4105 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-4105? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-4105